.ap-scope{--canvas-main:#fbfbfa;--canvas-pure:#ffffff;--canvas-subtle:#f5f5f7;--text-primary:#1d1d1f;--text-secondary:#6e6e73;--text-tertiary:#86868b;--accent-blue:#2557ff;--accent-coral:#e0533c;--accent-emerald:#059669;--border-hairline:rgba(0,0,0,0.08);--shadow-card:0 4px 20px -2px rgba(0,0,0,0.05);--font-sans:var(--font-sans-loaded,"Noto Sans SC"),-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-serif:var(--font-serif-loaded,"Noto Serif SC"),Georgia,Cambria,"Times New Roman",serif;--font-mono:var(--font-mono-loaded,"JetBrains Mono"),"SF Mono",Menlo,Consolas,monospace;background:var(--canvas-main);color:var(--text-primary);font-family:var(--font-sans);line-height:1.6}.ap-page{min-height:100vh;min-height:100dvh}.ap-scope,.ap-scope *{box-sizing:border-box}.ap-container{max-width:1200px}.ap-container,.ap-container-narrow{width:100%;margin:0 auto;padding-left:clamp(20px,4vw,48px);padding-right:clamp(20px,4vw,48px)}.ap-container-narrow{max-width:720px}.ap-section{padding-top:48px;padding-bottom:48px}.ap-hairline-top{border-top:1px solid var(--border-hairline)}.ap-chapter-marker{display:flex;align-items:center;gap:10px;font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:18px}.ap-chapter-marker .ap-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-blue)}.ap-headline{font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:-.025em;line-height:1.2;margin-bottom:16px}.ap-lead{font-size:16.5px;line-height:1.75;color:var(--text-secondary);max-width:680px}.ap-quote{font-family:var(--font-serif);font-size:clamp(18px,2vw,23px);line-height:1.65;color:var(--text-primary);border-left:2px solid var(--border-hairline);padding-left:20px;margin:28px 0;max-width:680px}.ap-disclaimer{border-left:2px solid var(--accent-coral);background:var(--canvas-subtle);padding:14px 18px;border-radius:0 8px 8px 0;font-size:13.5px;line-height:1.7;color:var(--text-secondary)}.ap-btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;min-height:44px;background:var(--text-primary);color:#fff;font-size:14px;font-weight:600;border-radius:9999px;text-decoration:none;border:1px solid var(--text-primary);transition:transform .15s ease,box-shadow .15s ease}.ap-btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.14)}.ap-btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;min-height:44px;border:1px solid var(--border-hairline);color:var(--text-primary);font-size:14px;font-weight:600;border-radius:9999px;text-decoration:none;background:var(--canvas-pure);transition:background .15s ease,border-color .15s ease}.ap-btn-ghost:hover{background:var(--canvas-subtle);border-color:rgba(0,0,0,.16)}.ap-card{background:var(--canvas-pure);border:1px solid var(--border-hairline);border-radius:10px;padding:20px 22px;transition:box-shadow .2s ease,transform .2s ease}.ap-card:hover{box-shadow:var(--shadow-card);transform:translateY(-1px)}.ap-card-selected{border-color:var(--text-primary);box-shadow:0 0 0 1px var(--text-primary)}.ap-choice{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid var(--border-hairline);border-radius:10px;cursor:pointer;min-height:44px;background:var(--canvas-pure);transition:border-color .15s ease,background .15s ease;font-size:14.5px;line-height:1.55}.ap-choice:hover{border-color:rgba(0,0,0,.2);background:var(--canvas-subtle)}.ap-choice-selected{border-color:var(--text-primary);background:var(--canvas-subtle)}.ap-feedback{padding:14px 16px;border-radius:10px;font-size:14px;line-height:1.65}.ap-feedback-positive{background:rgba(5,150,105,.08);color:#065f46;border:1px solid rgba(5,150,105,.2)}.ap-feedback-neutral{background:var(--canvas-subtle);color:var(--text-secondary);border:1px solid var(--border-hairline)}.ap-feedback-final{border-left:2px solid var(--accent-blue);background:rgba(37,87,255,.05);padding:16px 18px;border-radius:0 10px 10px 0;font-size:14px;line-height:1.7;color:var(--text-primary)}.ap-reveal{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}.ap-reveal-visible{opacity:1;transform:translateY(0)}@media (prefers-reduced-motion:reduce){.ap-reveal,.ap-reveal-visible{opacity:1;transform:none;transition:none}}.ap-nav-bar{position:sticky;top:0;z-index:40;background:rgba(251,251,250,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border-hairline)}.ap-nav{max-width:1200px;height:56px;margin:0 auto;padding:0 clamp(20px,4vw,48px);display:flex;align-items:center;justify-content:space-between;gap:16px}.ap-nav-brand{display:inline-flex;align-items:center;gap:6px;flex-shrink:0;font-size:14px;font-weight:800;letter-spacing:-.01em;color:var(--text-primary);text-decoration:none}.ap-nav-badge{margin-left:6px;padding:2px 8px;border-radius:999px;border:1px solid var(--border-hairline);font-size:11.5px;font-weight:600;color:var(--text-secondary)}.ap-nav-links{position:relative;display:flex;align-items:center;gap:2px;min-width:0;overflow-x:auto;scrollbar-width:none}.ap-nav-links::-webkit-scrollbar{display:none}.ap-nav-divider{flex-shrink:0;width:1px;height:16px;margin:0 8px;background:var(--border-hairline)}.ap-nav-link{flex-shrink:0;padding:8px 12px;border-radius:999px;font-size:13.5px;font-weight:600;white-space:nowrap;color:var(--text-secondary);text-decoration:none;transition:background .15s ease,color .15s ease}.ap-nav-link[data-tone=research]{font-weight:500;color:var(--text-tertiary)}.ap-nav-link:hover{background:var(--canvas-subtle);color:var(--text-primary)}.ap-nav-link[aria-current=page]{background:var(--text-primary);color:#fff;font-weight:700}.ap-nav-link:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}@media (max-width:720px){.ap-nav{gap:10px}.ap-nav-links{mask-image:linear-gradient(90deg,#000 85%,transparent);-webkit-mask-image:linear-gradient(90deg,#000 85%,transparent);padding-right:24px}}.ap-rail{list-style:none;margin:0;padding:4px 0 0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.ap-rail li{position:relative}.ap-rail li+li:before{content:"";position:absolute;top:27px;right:calc(50% + 22px);width:calc(100% - 36px);height:1px;background:var(--border-hairline)}.ap-rail-step{width:100%;display:grid;justify-items:center;gap:6px;padding:10px 6px 12px;border:1px solid transparent;border-radius:14px;background:transparent;font:inherit;color:var(--text-secondary);cursor:pointer;transition:background .2s ease,border-color .2s ease}.ap-rail-step:hover:not(:disabled),.ap-rail-step[data-viewed=true]{background:var(--canvas-pure);border-color:var(--border-hairline)}.ap-rail-step[data-viewed=true]{box-shadow:var(--shadow-card)}.ap-rail-step:disabled{cursor:not-allowed;opacity:.5}.ap-rail-step:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}.ap-rail-dot{position:relative;z-index:1;width:34px;height:34px;display:grid;place-items:center;border-radius:999px;border:1px solid var(--border-hairline);background:var(--canvas-pure);font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--text-tertiary);transition:background .25s ease,color .25s ease,border-color .25s ease}.ap-rail-step[data-state=saved] .ap-rail-dot{background:var(--text-primary);border-color:var(--text-primary);color:#fff;font-size:14px}.ap-rail-step[data-state=active] .ap-rail-dot{border:2px solid var(--accent-blue);color:var(--accent-blue)}.ap-rail-label{font-size:13px;font-weight:700;line-height:1.35;text-align:center;color:var(--text-primary)}.ap-rail-step[data-state=locked] .ap-rail-label,.ap-rail-step[data-state=open] .ap-rail-label{color:var(--text-secondary)}.ap-rail-state{font-size:11.5px;color:var(--text-tertiary)}.ap-rail-step[data-state=active] .ap-rail-state{color:var(--accent-blue);font-weight:600}@media (max-width:720px){.ap-rail{display:flex;overflow-x:auto;scrollbar-width:none;gap:4px;margin:0 calc(-1 * clamp(20px, 4vw, 48px));padding:4px clamp(20px,4vw,48px)}.ap-rail::-webkit-scrollbar{display:none}.ap-rail li{flex:0 0 104px}}.ap-split-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px}@media (max-width:840px){.ap-split-layout{grid-template-columns:1fr}}.ap-decision-path{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;position:relative}.ap-decision-path:before{content:"";position:absolute;top:15px;left:16px;right:16px;height:1px;background:var(--border-hairline)}.ap-decision-path li{position:relative;display:grid;gap:6px;align-content:start}.ap-decision-path-index{width:32px;height:32px;display:inline-grid;place-items:center;border-radius:999px;background:var(--canvas-pure);border:1px solid var(--border-hairline);font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--accent-blue);margin-bottom:8px}.ap-decision-path strong{font-size:15px;font-weight:700;color:var(--text-primary);line-height:1.4}.ap-decision-path small{font-size:13px;line-height:1.6;color:var(--text-secondary)}@media (max-width:900px){.ap-decision-path{grid-template-columns:1fr;gap:20px}.ap-decision-path:before{top:16px;bottom:16px;left:15px;right:auto;width:1px;height:auto}.ap-decision-path li{grid-template-columns:32px 1fr;column-gap:16px}.ap-decision-path-index{grid-row:span 2;margin-bottom:0}}.ap-lab-gate{max-width:1040px;padding:8px 0 24px}.ap-lab-gate .ap-lead{max-width:560px}.ap-lab-gate-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.ap-access{display:grid;place-items:center;align-content:center;gap:28px;padding:56px 20px}.ap-access-brand{font-size:14px;font-weight:800;letter-spacing:-.01em;color:var(--text-primary);text-decoration:none}.ap-access-card{width:100%;max-width:440px;padding:clamp(24px,6vw,40px);background:var(--canvas-pure);border:1px solid var(--border-hairline);border-radius:24px;box-shadow:var(--shadow-card)}.ap-access-card h1{margin:12px 0 8px;font-size:28px;font-weight:700;letter-spacing:-.02em}.ap-access-lead{margin:0;font-size:15px;line-height:1.6;color:var(--text-secondary)}.ap-access-form{display:grid;gap:16px;margin-top:28px}.ap-access-form label{display:grid;gap:6px;font-size:13.5px;font-weight:600;color:var(--text-secondary)}.ap-access-form input{min-height:46px;padding:10px 14px;border:1px solid rgba(0,0,0,.14);border-radius:12px;background:var(--canvas-pure);font:inherit;font-size:15px;font-weight:400;color:var(--text-primary)}.ap-access-form input:focus{outline:2px solid var(--accent-blue);outline-offset:1px;border-color:transparent}.ap-access-form .ap-btn-primary{justify-content:center;margin-top:4px;cursor:pointer;font:inherit;font-weight:600}.ap-access-form .ap-btn-primary:disabled{opacity:.55;cursor:progress;transform:none;box-shadow:none}.ap-access-error{margin:0;font-size:14px;color:#b3311c}.ap-access-alt{display:inline-block;margin-top:20px;font-size:13.5px;color:var(--text-secondary);text-decoration:none}.ap-access-alt:hover{color:var(--text-primary)}.ap-result{margin-top:4px;padding:24px;border:1px solid var(--border-hairline);border-radius:20px;background:var(--canvas-pure);box-shadow:var(--shadow-card);animation:apResultIn .45s cubic-bezier(.16,1,.3,1)}.ap-result-kicker{margin:0 0 14px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-tertiary)}.ap-result-headline{display:grid;gap:4px;padding-bottom:18px;border-bottom:1px solid var(--border-hairline)}.ap-result-headline span{font-size:13.5px;color:var(--text-secondary)}.ap-result-headline strong{font-size:clamp(30px,4vw,40px);font-weight:700;letter-spacing:-.03em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text-primary)}.ap-result [data-tone=negative]{color:#c2410c}.ap-result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0 0}.ap-result-grid div{padding:12px 14px;border-radius:12px;background:var(--canvas-subtle)}.ap-result-grid dt{font-size:12.5px;color:var(--text-secondary)}.ap-result-grid dd{margin:4px 0 0;font-size:17px;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--text-primary)}.ap-result-reading{margin:16px 0 0;padding:12px 14px;border-left:2px solid var(--accent-blue);border-radius:0 10px 10px 0;background:rgba(37,87,255,.05);font-size:14px;line-height:1.7;color:var(--text-primary)}.ap-result-rationale{margin:12px 0 0;font-size:13.5px;line-height:1.7;color:var(--text-secondary)}.ap-result-rationale span{display:block;margin-bottom:2px;font-size:12px;font-weight:700;color:var(--text-tertiary)}@keyframes apResultIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media (max-width:520px){.ap-result{padding:20px}.ap-result-grid{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.ap-result{animation:none}}.ap-scope h1,.ap-scope h2,.ap-scope h3{text-wrap:balance}.ap-nowrap{display:inline-block}.ap-teacher-rounds{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}.ap-teacher-rounds>li{position:relative;padding:22px 22px 20px 70px;border:1px solid var(--border-hairline);border-radius:18px;background:var(--canvas-pure);transition:box-shadow .2s ease}.ap-teacher-rounds>li:hover{box-shadow:var(--shadow-card)}.ap-teacher-round-index{position:absolute;top:20px;left:20px;width:34px;height:34px;display:grid;place-items:center;border-radius:999px;border:1px solid var(--border-hairline);font-family:var(--font-mono);font-size:12px;font-weight:600;color:var(--accent-blue)}.ap-teacher-rounds h2{margin:4px 0 6px;font-size:17px;font-weight:700}.ap-teacher-round-question{margin:0;font-size:13.5px;line-height:1.6;color:var(--text-secondary)}.ap-teacher-rounds ul{margin:14px 0 0;padding:14px 0 0;border-top:1px solid var(--border-hairline);list-style:none;display:grid;gap:8px}.ap-teacher-rounds ul li{position:relative;padding-left:16px;font-size:14px;line-height:1.65;color:var(--text-primary)}.ap-teacher-rounds ul li:before{content:"";position:absolute;top:.7em;left:0;width:6px;height:6px;border-radius:999px;background:var(--accent-blue)}@media (max-width:520px){.ap-teacher-rounds{grid-template-columns:1fr}.ap-teacher-rounds>li{padding:64px 18px 18px}}.ap-lab-field{display:grid;gap:6px;color:var(--text-secondary);font-size:13.5px;font-weight:600}.ap-lab-number{position:relative;display:block}.ap-lab-input,.ap-lab-textarea{width:100%;border:1.5px solid #d2d2d7;border-radius:10px;background:white;color:var(--text-primary);font:inherit;padding:10px 14px}.ap-lab-input{height:46px;padding-right:96px}.ap-lab-unit{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:12px;color:#636369;pointer-events:none}.ap-lab-textarea{min-height:110px;resize:vertical}.ap-lab-input:focus,.ap-lab-textarea:focus{outline:2px solid var(--accent-blue);outline-offset:2px}.ap-lab-option{padding:16px;border:1.5px solid #d2d2d7;border-radius:12px;cursor:pointer;background:white}.ap-lab-option:has(input:checked){border-color:var(--accent-blue);background:#f0f4ff}.ap-lab-option-content{display:flex;align-items:center;gap:10px;min-height:44px;color:var(--text-primary);font-size:14px}.ap-lab-checkbox{width:18px;height:18px;accent-color:var(--accent-blue);flex-shrink:0}.ap-lab-check{margin-left:auto;color:var(--accent-blue);opacity:0}.ap-lab-option:has(input:checked) .ap-lab-check{opacity:1}.ap-lab-save{justify-content:center;min-height:46px;min-width:160px}.ap-lab-save:disabled{opacity:.55;cursor:not-allowed;transform:none}.ap-scope :is(a,button,input,textarea,select,summary,[role=button],[tabindex]):focus-visible{outline:2px solid var(--accent-blue)!important;outline-offset:3px}.ap-scope :is(p,label,dt){--text-tertiary:#626268}@media (prefers-reduced-motion:reduce){.ap-scope *,.ap-scope :after,.ap-scope :before{animation:none!important;transition:none!important;scroll-behavior:auto!important}.ap-scope [data-reveal]{opacity:1!important;transform:none!important}}